It was bugging me that my phone eats out my allowance all the time using data connection. It did that even when I disabled applications background data transfer. I was looking for a feature allowing to disable 3G and 2G data connections allowing WiFi only. When I was buying the phone I thought there is [...]
Archive for the ‘Operating Systems’ Category
Disable 3G/2G Data transfer in Android 2.1
Posted: 15th May 2010 by as in Android, Blogroll, Operating SystemsComments Off
forensics grep regular expressions
(credit cards, IP, e-mail addresses, IBAN)
Posted: 10th April 2010 by as in Blogroll, Computer Security, Linux, Operating SystemsComments Off
The following regular expressions were tested on Gentoo x64 Search for credit card numbers grep -E ‘(^|[[:space:]])[456][[:digit:]]{3}((-|[[:space:]])?[[:digit:]]{4}){3}([[:space:]]|$)’ <filename> Search for IP
Exchange Server messages disappearence
Posted: 1st April 2010 by as in Blogroll, Mystery, Operating Systems, WindowsComments Off
Another story from the mystery category. A Microsoft Small Business Server has been moved from one premises to another twice in the last two weeks. The first time the server was moved and the users confirmed that the server is up and running and all the services working fine. The main service of the server [...]
hash functions on md RAID-6: part three
Posted: 1st April 2010 by as in Blogroll, Linux, Mystery, Operating SystemsComments Off
In the original configuration the RAID-6 over the 6 disks was build using two different SATA controllers. Four disks were connected to RocketRAID and the other two connected to the integrated Intel SATA. Now, the motherboard has changed to a new one with 6 SATA connections via the integrated controller. However, it caused tat the [...]
hash functions on md RAID-6: part two
Posted: 27th March 2010 by as in Blogroll, Linux, Mystery, Operating SystemsComments Off
A new kernel was installed and every package on the system was recompiled… So, here is another attempt. All the files are scp’ed to the second computer onto the RAID-6. And again, there is inconsistency. Tho hashes were calculated OK, all the other FAILED.